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Casio J-1 (J-811)

The Casio J-1 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 24 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA. The calculator was manufactured in Japan.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions7
Keys24
Precision8
LogicAlgebraic
Display typeVFD
Length158mm
Width97mm
Thickness24mm
Weight152g
Power Consumption0.250000W
Power Source2xAA
CountryJapan
Year introduced1978
Year discontinued1978

Replacements:

If you have a Casio J-1 that is no longer working, you can first try replacing the 2xAA batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements:

See other calculators by Casio